Finding the Fourth Proportional to 113,846.66, 157,107.65 and 62,862.58
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Solution
The fourth proportional to 113,846.66, 157,107.65 and 62,862.58 is: 86,749.95
Step by Step Solution
- Step 1: Write the proportion equation
113,846.66 : 157,107.65 = 62,862.58 : x - Step 2: Convert to fraction form
113,846.66/157,107.65 = 62,862.58/x - Step 3: Cross multiply
113,846.66x = 157,107.65 × 62,862.58 - Step 4: Simplify right side
113,846.66x = 9,876,192,452.41 - Step 5: Solve for x
x = 9,876,192,452.41/113,846.66 - Step 6: Final answer
x = 86,749.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.